The paper investigates the relationship between the cracking and closing characteristics and the structural parameter of the direct sequence valve.

本文主要研究直动式顺序阀的启闭特性与阀的结构参数的关系。

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So the system can fully utilize the hydralicpower, otherwise the use of the lock sequence valve reduces the loss of energy, and improves the efficiency of the system.

因此该系统与利用滑板缸有杆腔的液压力的方案相比，液压力得到了充分的利用，另外通过采用自锁型顺序阀，减少了能量损失，使得系统的效率得到了提高。

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Liaocheng power plants 600mw unit cant perform the switching operation from governing valve mode to sequence valve mode, which has long been a problem and affected the unit efficiency apparently.

聊城电厂600 MW机组投产以来一直存在调节阀无法切顺序阀运行问题，对机组的效率影响较大。

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